package com.sihai.ehr.service.impl;

import java.text.MessageFormat;

import javax.annotation.Resource;

import org.hibernate.Query;
import org.hibernate.Session;
import org.springframework.stereotype.Service;

import com.sihai.core.DataAccessor;
import com.sihai.core.DynamicQuery;
import com.sihai.core.Limit;
import com.sihai.core.LimitedList;
import com.sihai.core.QueryCreator;
import com.sihai.core.Sorter;
import com.sihai.ehr.model.biz.TrainCategory;
import com.sihai.ehr.model.biz.TrainLecturer;
import com.sihai.ehr.service.TrainLecturerService;

/**
 * 培训内部讲师服务实现类
 * 
 * @author henry
 * 
 */
@Service("trainLecturerService")
public class TrainLecturerServiceImpl implements TrainLecturerService {

	@Resource
	DataAccessor dataAccessor;

	@Override
	public TrainLecturer getTrainLecturer(Long id) {
		if (id == null || id < 0) {
			throw new RuntimeException("【传入参数非法】");
		}
		try {
			return dataAccessor.get(TrainLecturer.class, id);
		} catch (Exception e) {
			throw new RuntimeException("【异常原因：获取内部讲师明细数据库发生异常】【异常说明：+"
					+ e.getMessage()
					+ "】【发生地点：TrainLecturerServiceImpl.getTrainLecturer;参数id="
					+ id + " 】");
		}
	}

	@Override
	public LimitedList<TrainLecturer> getTrainLecturers(
			final Long organizationId, final Long dutyId, Limit limit,
			Sorter sorter) {
		if (organizationId == null || organizationId < 0) {
			throw new RuntimeException("【传入参数非法】");
		}
		try {
			return dataAccessor.findByQuery(TrainLecturer.class,
					new QueryCreator() {

						@Override
						public Query createQuery(Session session) {
							DynamicQuery dynamicQuery = new DynamicQuery(
									"from TrainLecturer t where 1 <> 2");
							dynamicQuery
									.append(" and t.employeeinfoWork.organization.treePath like '%,"
											+ organizationId + ",%'");
							if (dutyId > 0) {
								dynamicQuery
										.appendIfNotNull(
												" and t.employeeinfoWork.duty.id =:dutyId",
												"dutyId", dutyId);
							}
							return dynamicQuery.build(session);
						}
					}, limit, sorter);
		} catch (Exception e) {
			throw new RuntimeException(
					"【异常原因：获取培训内部讲师时数据库发生异常】【异常说明：+"
							+ e.getMessage()
							+ "】【发生地点：TrainLecturerServiceImpl.getTrainLecturers;参数organizationId="
							+ organizationId + ",dutyId=" + dutyId + "】");
		}
	}
	
	@Override
	public LimitedList<TrainLecturer> getEffectiveTrainLecturers(final Long organizationId,final Long dutyId, Limit limit, Sorter sorter) {
		if (organizationId == null || organizationId < 0) {
			throw new RuntimeException("【传入参数非法】");
		}
		try {
			return dataAccessor.findByQuery(TrainLecturer.class,
					new QueryCreator() {

						@Override
						public Query createQuery(Session session) {
							DynamicQuery dynamicQuery = new DynamicQuery(
									"from TrainLecturer t where 1 <> 2");
							dynamicQuery
									.append("and t.employeeinfoWork.organization.treePath like '%,"
											+ organizationId + ",%'");
							if (dutyId > 0) {
								dynamicQuery
										.appendIfNotNull(
												"and t.employeeinfoWork.duty.id =:dutyId",
												"dutyId", dutyId);
							}
							dynamicQuery.append("and t.effectiveDate < NOW() and  t.expireDate > NOW()");
							return dynamicQuery.build(session);
						}
					}, limit, sorter);
		} catch (Exception e) {
			throw new RuntimeException(
					"【异常原因：获取培训内部讲师时数据库发生异常】【异常说明：+"
							+ e.getMessage()
							+ "】【发生地点：TrainLecturerServiceImpl.getEffectiveTrainLecturers;参数organizationId="
							+ organizationId + ",dutyId=" + dutyId + "】");
		}
	}

	@Override
	public void save(TrainLecturer lecturer) {
		if (lecturer == null || lecturer.getEmployeeinfoWork() == null) {
			throw new RuntimeException("【lecturer对象参数异常】");
		}
		try {
			dataAccessor.saveOrUpdate(lecturer);
		} catch (Exception e) {
			throw new RuntimeException("【异常原因：保培训内部讲师对象到数据库发生异常】【异常说明："
					+ e.getMessage() + "】【发生地点：TrainLecturerServiceImpl.save】");
		}
	}

	@Override
	public void deleteTrainLecturer(final String ids) {
		if (ids == null || ids.isEmpty()) {
			throw new RuntimeException("【参数异常：ids为空】");
		}
		try {
			dataAccessor.batchUpdate(new QueryCreator() {
				@Override
				public Query createQuery(Session session) {
					return session.createQuery(MessageFormat.format(
							"delete from TrainLecturer t where t.id in ({0})",
							ids));
				}
			});
		} catch (Exception e) {
			throw new RuntimeException("【异常原因：移出培训内部讲师信息数据库发生异常】【异常说明："
					+ e.getMessage()
					+ "】【发生地点：TrainLecturerServiceImpl.deleteTrainLecturer】");
		}
	}

}
